func (s *S) TestFloat(c *gc.C) {
s.sch = schema.Float()
out, err := s.sch.Coerce(float32(1.0), aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.Equals, float64(1.0))
out, err = s.sch.Coerce(float64(1.0), aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.Equals, float64(1.0))
out, err = s.sch.Coerce(true, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `<path>: expected float, got bool\(true\)`)
out, err = s.sch.Coerce(nil, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, "<path>: expected float, got nothing")
}
return nil, nil
}
defer option.error(&err, name, value)
if checker := optionTypeCheckers[option.Type]; checker != nil {
if value, err = checker.Coerce(value, nil); err != nil {
return nil, err
}
return value, nil
}
panic(fmt.Errorf("option %q has unknown type %q", name, option.Type))
}
var optionTypeCheckers = map[string]schema.Checker{
"string": schema.String(),
"int": schema.Int(),
"float": schema.Float(),
"boolean": schema.Bool(),
}
// parse returns an appropriately-typed value for the supplied string, or
// returns an error if it cannot be parsed to the correct type.
func (option Option) parse(name, str string) (_ interface{}, err error) {
defer option.error(&err, name, str)
switch option.Type {
case "string":
return str, nil
case "int":
return strconv.ParseInt(str, 10, 64)
case "float":
return strconv.ParseFloat(str, 64)
case "boolean":